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EDBT
2010
ACM
180views Database» more  EDBT 2010»
14 years 2 months ago
BSkyTree: scalable skyline computation using a balanced pivot selection
Skyline queries have gained a lot of attention for multicriteria analysis in large-scale datasets. While existing skyline algorithms have focused mostly on exploiting data dominan...
Jongwuk Lee, Seung-won Hwang
MIR
2004
ACM
110views Multimedia» more  MIR 2004»
14 years 1 months ago
Symbolic representation and retrieval of moving object trajectories
Searching moving object trajectories of video databases has been applied to many fields, such as video data analysis, content-based video retrieval, video scene classification. ...
Lei Chen 0002, M. Tamer Özsu, Vincent Oria
SIGMOD
2010
ACM
213views Database» more  SIGMOD 2010»
14 years 15 days ago
On active learning of record matching packages
We consider the problem of learning a record matching package (classifier) in an active learning setting. In active learning, the learning algorithm picks the set of examples to ...
Arvind Arasu, Michaela Götz, Raghav Kaushik
VLDB
2002
ACM
98views Database» more  VLDB 2002»
13 years 7 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...
PVLDB
2010
122views more  PVLDB 2010»
13 years 6 months ago
From a Stream of Relational Queries to Distributed Stream Processing
Applications from several domains are now being written to process live data originating from hardware and softwarebased streaming sources. Many of these applications have been wr...
Qiong Zou, Huayong Wang, Robert Soulé, Mart...